diff --git a/cryptoids.cabal b/cryptoids.cabal
index 5b0edb3..7400f22 100644
--- a/cryptoids.cabal
+++ b/cryptoids.cabal
@@ -32,6 +32,7 @@ library
   ghc-options: -Wall
   build-depends:
       base >=4.19 && <5
+    , aeson >= 2.2.3.0 && <3
     , binary >=0.8.9 && <0.9
     , bytestring >=0.12 && <1
     , crypton >=1.0.4 && <2